Ideal for... The small barrel of the size 1 ghd ceramic brush is perfect for creating volume at the roots on SHORTER HAIR and for blow-drying FRINGES and shorter sections of hair. This ghd ceramic barrel brush retains heat to allow for faster drying with a hairdryer. How to use... Dry hair to 80% then working in small sections position the brush at the roots and direct the heat from the dryer towards the barrel. Keep the strand taut as you move the brush through the hair, continuing to direct the heat into the barrel.